-
Important - Off-Road Use Only: This exhaust is supplied for off-road / closed-course use only and is not approved for use on public roads unless clearly stated otherwise.
It is the customer's responsibility to ensure the product is suitable and compliant for their intended use, including any applicable UK/EU noise and emissions requirements and any vehicle type-approval requirements.
Please note: Some images may be for illustrative purposes only.
-
Important - Off-Road Use Only: This exhaust is supplied for off-road / closed-course use only and is not approved for use on public roads unless clearly stated otherwise.
It is the customer's responsibility to ensure the product is suitable and compliant for their intended use, including any applicable UK/EU noise and emissions requirements and any vehicle type-approval requirements.
Please note: Some images may be for illustrative purposes only.
Product description
The T-4 Exhaust System is part of the latest collection from Pro Circuit.
Features:
- Advanced design ensures lightning-quick throttle response
- Extensively track- and dyno-tested
- Steel Allen head screws make repacking an easy task
- Exclusive E-glass pillow packing
- Includes USFS-approved spark arrestor that can be removed for closed-course racing
Specifications:
- Design/Configuration: 1-Into-1 System
- End Cap Material: Stainless Steel
- End Cap Style: Conical
- Material: Aluminum| Stainless Steel
- Model: T4
- Muffler Color/Finish: Brushed
- Muffler Material: Aluminum
To fit:
- KAWASAKI KLX 125 L 2003 American Models
- KAWASAKI KLX 125 L 2004 American Models
- KAWASAKI KLX 125 L 2005 American Models
- KAWASAKI KLX 125 L 2006 American Models
- KAWASAKI KLX 125 2003 American Models
- KAWASAKI KLX 125 2004 American Models
- KAWASAKI KLX 125 2005 American Models
- KAWASAKI KLX 125 2006 American Models
- KAWASAKI KLX 125 2010 European Models
- KAWASAKI KLX 125 2011 European Models
- KAWASAKI KLX 125 2012 European Models
- KAWASAKI KLX 125 2013 European Models
- KAWASAKI KLX 125 2014 European Models
- KAWASAKI KLX 125 2015 European Models
- SUZUKI DR-Z 125 L 2003 Large Wheel All Models
- SUZUKI DR-Z 125 L 2004 Large Wheel All Models
- SUZUKI DR-Z 125 L 2005 Large Wheel All Models
- SUZUKI DR-Z 125 L 2006 Large Wheel All Models
- SUZUKI DR-Z 125 L 2007 Large Wheel All Models
- SUZUKI DR-Z 125 L 2008 Large Wheel All Models
- SUZUKI DR-Z 125 L 2009 Large Wheel All Models
- SUZUKI DR-Z 125 L 2010 Large Wheel All Models
- SUZUKI DR-Z 125 L 2012 Large Wheel All Models
- SUZUKI DR-Z 125 L 2013 Large Wheel All Models
- SUZUKI DR-Z 125 L 2014 Large Wheel All Models
- SUZUKI DR-Z 125 L 2018 Large Wheel All Models
- SUZUKI DR-Z 125 L 2019 Large Wheel All Models
- SUZUKI DR-Z 125 L 2019 Large Wheel American Models
- SUZUKI DR-Z 125 L 2020 Large Wheel American Models
- SUZUKI DR-Z 125 L 2021 Large Wheel American Models
- SUZUKI DR-Z 125 L 2022 Large Wheel American Models
- SUZUKI DR-Z 125 L 2023 Large Wheel American Models
- SUZUKI DR-Z 125 L 2024 Large Wheel American Models
- SUZUKI DR-Z 125 2003 Small Wheel All Models
- SUZUKI DR-Z 125 2004 Small Wheel All Models
- SUZUKI DR-Z 125 2005 Small Wheel All Models
- SUZUKI DR-Z 125 2006 Small Wheel All Models
- SUZUKI DR-Z 125 2007 Small Wheel All Models
- SUZUKI DR-Z 125 2008 Small Wheel All Models
- SUZUKI DR-Z 125 2009 Small Wheel All Models
- SUZUKI DR-Z 125 2010 Small Wheel All Models
- SUZUKI DR-Z 125 2012 Small Wheel American Models
- SUZUKI DR-Z 125 2013 Small Wheel American Models
Manufacturer part number: 4S03125
View all Pro Circuit Exhausts. View all Exhausts.
Contents
Your package will include the following:
- 1 X Pro Circuit T-4 Exhaust System For Suzuki DRZ125 L Large Wheel
To fit:
- KAWASAKI KLX 125 L 2003 American Models
- KAWASAKI KLX 125 L 2004 American Models
- KAWASAKI KLX 125 L 2005 American Models
- KAWASAKI KLX 125 L 2006 American Models
- KAWASAKI KLX 125 2003 American Models
- KAWASAKI KLX 125 2004 American Models
- KAWASAKI KLX 125 2005 American Models
- KAWASAKI KLX 125 2006 American Models
- KAWASAKI KLX 125 2010 European Models
- KAWASAKI KLX 125 2011 European Models
- KAWASAKI KLX 125 2012 European Models
- KAWASAKI KLX 125 2013 European Models
- KAWASAKI KLX 125 2014 European Models
- KAWASAKI KLX 125 2015 European Models
- SUZUKI DR-Z 125 L 2003 Large Wheel All Models
- SUZUKI DR-Z 125 L 2004 Large Wheel All Models
- SUZUKI DR-Z 125 L 2005 Large Wheel All Models
- SUZUKI DR-Z 125 L 2006 Large Wheel All Models
- SUZUKI DR-Z 125 L 2007 Large Wheel All Models
- SUZUKI DR-Z 125 L 2008 Large Wheel All Models
- SUZUKI DR-Z 125 L 2009 Large Wheel All Models
- SUZUKI DR-Z 125 L 2010 Large Wheel All Models
- SUZUKI DR-Z 125 L 2012 Large Wheel All Models
- SUZUKI DR-Z 125 L 2013 Large Wheel All Models
- SUZUKI DR-Z 125 L 2014 Large Wheel All Models
- SUZUKI DR-Z 125 L 2018 Large Wheel All Models
- SUZUKI DR-Z 125 L 2019 Large Wheel All Models
- SUZUKI DR-Z 125 L 2019 Large Wheel American Models
- SUZUKI DR-Z 125 L 2020 Large Wheel American Models
- SUZUKI DR-Z 125 L 2021 Large Wheel American Models
- SUZUKI DR-Z 125 L 2022 Large Wheel American Models
- SUZUKI DR-Z 125 L 2023 Large Wheel American Models
- SUZUKI DR-Z 125 L 2024 Large Wheel American Models
- SUZUKI DR-Z 125 2003 Small Wheel All Models
- SUZUKI DR-Z 125 2004 Small Wheel All Models
- SUZUKI DR-Z 125 2005 Small Wheel All Models
- SUZUKI DR-Z 125 2006 Small Wheel All Models
- SUZUKI DR-Z 125 2007 Small Wheel All Models
- SUZUKI DR-Z 125 2008 Small Wheel All Models
- SUZUKI DR-Z 125 2009 Small Wheel All Models
- SUZUKI DR-Z 125 2010 Small Wheel All Models
- SUZUKI DR-Z 125 2012 Small Wheel American Models
- SUZUKI DR-Z 125 2013 Small Wheel American Models

Pro Circuit is a renowned brand in the motocross and motorcycle racing industry. Specializing in high-performance exhaust systems, suspension components, and accessories, Pro Circuit has been a dominant force since 1978. Their cutting-edge products are favored by professional riders, earning the brand widespread acclaim for innovation and reliability in motorsports.
Product description
The T-4 Exhaust System is part of the latest collection from Pro Circuit.
Features:
- Advanced design ensures lightning-quick throttle response
- Extensively track- and dyno-tested
- Steel Allen head screws make repacking an easy task
- Exclusive E-glass pillow packing
- Includes USFS-approved spark arrestor that can be removed for closed-course racing
Specifications:
- Design/Configuration: 1-Into-1 System
- End Cap Material: Stainless Steel
- End Cap Style: Conical
- Material: Aluminum| Stainless Steel
- Model: T4
- Muffler Color/Finish: Brushed
- Muffler Material: Aluminum
To fit:
- KAWASAKI KLX 125 L 2003 American Models
- KAWASAKI KLX 125 L 2004 American Models
- KAWASAKI KLX 125 L 2005 American Models
- KAWASAKI KLX 125 L 2006 American Models
- KAWASAKI KLX 125 2003 American Models
- KAWASAKI KLX 125 2004 American Models
- KAWASAKI KLX 125 2005 American Models
- KAWASAKI KLX 125 2006 American Models
- KAWASAKI KLX 125 2010 European Models
- KAWASAKI KLX 125 2011 European Models
- KAWASAKI KLX 125 2012 European Models
- KAWASAKI KLX 125 2013 European Models
- KAWASAKI KLX 125 2014 European Models
- KAWASAKI KLX 125 2015 European Models
- SUZUKI DR-Z 125 L 2003 Large Wheel All Models
- SUZUKI DR-Z 125 L 2004 Large Wheel All Models
- SUZUKI DR-Z 125 L 2005 Large Wheel All Models
- SUZUKI DR-Z 125 L 2006 Large Wheel All Models
- SUZUKI DR-Z 125 L 2007 Large Wheel All Models
- SUZUKI DR-Z 125 L 2008 Large Wheel All Models
- SUZUKI DR-Z 125 L 2009 Large Wheel All Models
- SUZUKI DR-Z 125 L 2010 Large Wheel All Models
- SUZUKI DR-Z 125 L 2012 Large Wheel All Models
- SUZUKI DR-Z 125 L 2013 Large Wheel All Models
- SUZUKI DR-Z 125 L 2014 Large Wheel All Models
- SUZUKI DR-Z 125 L 2018 Large Wheel All Models
- SUZUKI DR-Z 125 L 2019 Large Wheel All Models
- SUZUKI DR-Z 125 L 2019 Large Wheel American Models
- SUZUKI DR-Z 125 L 2020 Large Wheel American Models
- SUZUKI DR-Z 125 L 2021 Large Wheel American Models
- SUZUKI DR-Z 125 L 2022 Large Wheel American Models
- SUZUKI DR-Z 125 L 2023 Large Wheel American Models
- SUZUKI DR-Z 125 L 2024 Large Wheel American Models
- SUZUKI DR-Z 125 2003 Small Wheel All Models
- SUZUKI DR-Z 125 2004 Small Wheel All Models
- SUZUKI DR-Z 125 2005 Small Wheel All Models
- SUZUKI DR-Z 125 2006 Small Wheel All Models
- SUZUKI DR-Z 125 2007 Small Wheel All Models
- SUZUKI DR-Z 125 2008 Small Wheel All Models
- SUZUKI DR-Z 125 2009 Small Wheel All Models
- SUZUKI DR-Z 125 2010 Small Wheel All Models
- SUZUKI DR-Z 125 2012 Small Wheel American Models
- SUZUKI DR-Z 125 2013 Small Wheel American Models
Manufacturer part number: 4S03125
View all Pro Circuit Exhausts. View all Exhausts.
Contents
Your package will include the following:
- 1 X Pro Circuit T-4 Exhaust System For Suzuki DRZ125 L Large Wheel
To fit:
- KAWASAKI KLX 125 L 2003 American Models
- KAWASAKI KLX 125 L 2004 American Models
- KAWASAKI KLX 125 L 2005 American Models
- KAWASAKI KLX 125 L 2006 American Models
- KAWASAKI KLX 125 2003 American Models
- KAWASAKI KLX 125 2004 American Models
- KAWASAKI KLX 125 2005 American Models
- KAWASAKI KLX 125 2006 American Models
- KAWASAKI KLX 125 2010 European Models
- KAWASAKI KLX 125 2011 European Models
- KAWASAKI KLX 125 2012 European Models
- KAWASAKI KLX 125 2013 European Models
- KAWASAKI KLX 125 2014 European Models
- KAWASAKI KLX 125 2015 European Models
- SUZUKI DR-Z 125 L 2003 Large Wheel All Models
- SUZUKI DR-Z 125 L 2004 Large Wheel All Models
- SUZUKI DR-Z 125 L 2005 Large Wheel All Models
- SUZUKI DR-Z 125 L 2006 Large Wheel All Models
- SUZUKI DR-Z 125 L 2007 Large Wheel All Models
- SUZUKI DR-Z 125 L 2008 Large Wheel All Models
- SUZUKI DR-Z 125 L 2009 Large Wheel All Models
- SUZUKI DR-Z 125 L 2010 Large Wheel All Models
- SUZUKI DR-Z 125 L 2012 Large Wheel All Models
- SUZUKI DR-Z 125 L 2013 Large Wheel All Models
- SUZUKI DR-Z 125 L 2014 Large Wheel All Models
- SUZUKI DR-Z 125 L 2018 Large Wheel All Models
- SUZUKI DR-Z 125 L 2019 Large Wheel All Models
- SUZUKI DR-Z 125 L 2019 Large Wheel American Models
- SUZUKI DR-Z 125 L 2020 Large Wheel American Models
- SUZUKI DR-Z 125 L 2021 Large Wheel American Models
- SUZUKI DR-Z 125 L 2022 Large Wheel American Models
- SUZUKI DR-Z 125 L 2023 Large Wheel American Models
- SUZUKI DR-Z 125 L 2024 Large Wheel American Models
- SUZUKI DR-Z 125 2003 Small Wheel All Models
- SUZUKI DR-Z 125 2004 Small Wheel All Models
- SUZUKI DR-Z 125 2005 Small Wheel All Models
- SUZUKI DR-Z 125 2006 Small Wheel All Models
- SUZUKI DR-Z 125 2007 Small Wheel All Models
- SUZUKI DR-Z 125 2008 Small Wheel All Models
- SUZUKI DR-Z 125 2009 Small Wheel All Models
- SUZUKI DR-Z 125 2010 Small Wheel All Models
- SUZUKI DR-Z 125 2012 Small Wheel American Models
- SUZUKI DR-Z 125 2013 Small Wheel American Models

Pro Circuit is a renowned brand in the motocross and motorcycle racing industry. Specializing in high-performance exhaust systems, suspension components, and accessories, Pro Circuit has been a dominant force since 1978. Their cutting-edge products are favored by professional riders, earning the brand widespread acclaim for innovation and reliability in motorsports.































